Efudex

Fluorouracil

Utilized to target actinic keratosis and intended to support the reduction of cancerous skin cell proliferation.

Active ingredient
Fluorouracil
Supply
Rx
Route
Cutaneous use
Form
Cream
Strengths
1 · 5%

Efudex details

Alternative names
Efudix
Therapeutic class
Antineoplastic agent
Pharmacological class
Antimetabolite
Known off-label uses
viral warts
Contraindications
hypersensitivity to fluorouracil; pregnancy
Minor side effects
burning; stinging; erythema; pruritus
Moderate side effects
erosions; ulceration; dermatitis
Serious side effects
severe inflammatory reaction, requires immediate medical attention
Dosage forms
Cream
Administration route
Cutaneous use
Supply category
Prescription only (specially controlled medicine)
Manufacturer
Viatris
Onset Time
2–4 weeks
Duration
3–6 weeks
Storage instructions
Store between 15°C and 25°C.
Precautions and warnings

avoid exposure to sunlight; wash hands thoroughly after application; do not apply to mucosal surfaces

Patient summary

utilized to target actinic keratosis and intended to support the reduction of cancerous skin cell proliferation.

Mechanism of action

Fluorouracil is an antimetabolite that inhibits thymidylate synthase, thereby interfering with DNA synthesis in rapidly dividing cells, which leads to the selective destruction of actinic keratosis and neoplastic skin lesions.

Pregnancy and breastfeeding

Pregnancy: Contraindicated. Breastfeeding: Not recommended due to potential systemic absorption.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Efudex

Efudex is a well-known brand of Fluorouracil, used as a topical treatment for actinic keratosis and basal cell carcinoma. This medication is also available under the alternative name Efudix. Manufactured by Viatris, it is supplied in a tube and is available in strengths of 1% and 5%.

Efudex availability in Asia

Efudex is currently registered across 14 markets, including South Korea, Japan and the UAE, with accessibility extended to Singapore, Hong Kong and Thailand. Generic Fluorouracil, much of which is produced in India, offers a more cost-effective alternative to the original brand. This availability benefits expats and those living in remote regions who need access to reliable dermatological care. As with any condition, this medication is best used under a doctor’s care.